Demonstration against Ahmadinejad in Rio

Anti-Nuclear Power Plant Rally on 19 September 2011 at Meiji Shrine Outer Garden 03

A protest (also called a demonstration, remonstration or remonstrance) is a public expression of objection, disapproval or dissent towards an idea or action, typically a political one. Protests can be thought of as acts of

cooperation Cooperation (written as co-operation in British English) is the process of groups of organisms working or acting together for common, mutual, or some underlying benefit, as opposed to working in competition for selfish benefit. Many animal a ...

in which numerous people cooperate by attending, and share the potential costs and risks of doing so. Protests can take many different forms, from individual statements to mass

demonstrations Demonstration may refer to: * Demonstration (acting), part of the Brechtian approach to acting * Demonstration (military), an attack or show of force on a front where a decision is not sought * Demonstration (political), a political rally or prote ...

. Protesters may organize a protest as a way of publicly making their opinions heard in an attempt to influence

public opinion Public opinion is the collective opinion on a specific topic or voting intention relevant to a society. It is the people's views on matters affecting them. Etymology The term "public opinion" was derived from the French ', which was first use ...

or government policy, or they may undertake

direct action Direct action originated as a political activist term for economic and political acts in which the actors use their power (e.g. economic or physical) to directly reach certain goals of interest, in contrast to those actions that appeal to oth ...

in an attempt to enact desired changes themselves. Where protests are part of a systematic and peaceful

nonviolent Nonviolence is the personal practice of not causing harm to others under any condition. It may come from the belief that hurting people, animals and/or the environment is unnecessary to achieve an outcome and it may refer to a general philosoph ...

campaign to achieve a particular objective, and involve the use of pressure as well as persuasion, they go beyond mere protest and may be better described as a type of protest called

civil resistance Civil resistance is political action that relies on the use of nonviolent resistance by ordinary people to challenge a particular power, force, policy or regime. Civil resistance operates through appeals to the adversary, pressure and coercion: i ...

nonviolent resistance Nonviolent resistance (NVR), or nonviolent action, sometimes called civil resistance, is the practice of achieving goals such as social change through symbolic protests, civil disobedience, economic or political noncooperation, satyagraha, cons ...

. Various forms of self-expression and protest are sometimes restricted by governmental policy (such as the requirement of

protest permit A protest permit to hold or parade permit is permission granted by a governmental agency for a demonstration to be held in a particular venue at a particular time. Failing to obtain a permit may lead to charges of parading without a permit. The r ...

s), economic circumstances, religious orthodoxy, social structures, or media monopoly. One state reaction to protests is the use of

riot police Riot police are police who are organized, deployed, trained or equipped to confront crowds, protests or riots. Riot police may be regular police who act in the role of riot police in particular situations or they may be separate units organize ...

. Observers have noted an increased militarization of protest policing in many countries, with police deploying

armored vehicles Armour (British English) or armor (American English; see spelling differences) is a covering used to protect an object, individual, or vehicle from physical injury or damage, especially direct contact weapons or projectiles during combat, or ...

and snipers against protesters. When such restrictions occur, protests may assume the form of open

civil disobedience Civil disobedience is the active, professed refusal of a citizen to obey certain laws, demands, orders or commands of a government (or any other authority). By some definitions, civil disobedience has to be nonviolent to be called "civil". Hen ...

, more subtle forms of resistance against the restrictions, or may spill over into other areas such as culture and emigration. A protest itself may at times be the subject of a

counter-protest A counter-protest (also spelled counterprotest) is a protest action which takes place within the proximity of an ideologically opposite protest. The purposes of counter-protests can range from merely voicing opposition to the objective of the othe ...

. In such cases, counter-protesters demonstrate their support for the person, policy, action, etc. that is the subject of the original protest. Protesters and counter-protesters can sometimes violently clash. One study found that non-violent activism during the

civil rights movement The civil rights movement was a nonviolent social and political movement and campaign from 1954 to 1968 in the United States to abolish legalized institutional Racial segregation in the United States, racial segregation, Racial discrimination ...

in the United States tended to produce favorable media coverage and changes in public opinion focusing on the issues organizers were raising, but violent protests tended to generate unfavorable media coverage that generated public desire to restore law and order.

Historical examples

Unaddressed protests may grow and widen into

, dissent, activism, riots,

insurgency An insurgency is a violent, armed rebellion against authority waged by small, lightly armed bands who practice guerrilla warfare from primarily rural base areas. The key descriptive feature of insurgency is its asymmetric nature: small irregu ...

, revolts, and political or social revolution. Some examples of protests include: * Northern Europe in the early 16th century (

Protestant Protestantism is a Christian denomination, branch of Christianity that follows the theological tenets of the Reformation, Protestant Reformation, a movement that began seeking to reform the Catholic Church from within in the 16th century agai ...

Reformation The Reformation (alternatively named the Protestant Reformation or the European Reformation) was a major movement within Western Christianity in 16th-century Europe that posed a religious and political challenge to the Catholic Church and in ...

) * North America in the 1770s (

American Revolution The American Revolution was an ideological and political revolution that occurred in British America between 1765 and 1791. The Americans in the Thirteen Colonies formed independent states that defeated the British in the American Revolut ...

) *

Pennsylvania Mutiny of 1783 The Pennsylvania Mutiny of 1783 (also known as the Philadelphia Mutiny) was an anti-government protest by nearly 400 soldiers of the Continental Army in June 1783. The mutiny, and the refusal of the Executive Council of Pennsylvania to stop i ...

, an anti-government protest by several hundred soldiers of the

Continental Army The Continental Army was the army of the United Colonies (the Thirteen Colonies) in the Revolutionary-era United States. It was formed by the Second Continental Congress after the outbreak of the American Revolutionary War, and was establis ...

* France in 1789 (

French Revolution The French Revolution ( ) was a period of radical political and societal change in France that began with the Estates General of 1789 and ended with the formation of the French Consulate in November 1799. Many of its ideas are considere ...

) * Haiti in 1803 (

Haitian Revolution The Haitian Revolution (french: révolution haïtienne ; ht, revolisyon ayisyen) was a successful insurrection by slave revolt, self-liberated slaves against French colonial rule in Saint-Domingue, now the sovereign state of Haiti. The revolt ...

), the first successful black revolution against slavery * The

Haymarket affair The Haymarket affair, also known as the Haymarket massacre, the Haymarket riot, the Haymarket Square riot, or the Haymarket Incident, was the aftermath of a bombing that took place at a labor demonstration on May 4, 1886, at Haymarket Square (C ...

in 1886, a violent labor protest led by the

Anarchist Movement The history of anarchism is as ambiguous as anarchism itself. Scholars find it hard to define or agree on what anarchism means, which makes outlining its history difficult. There is a range of views on anarchism and its history. Some feel anarc ...

New York shirtwaist strike of 1909 The New York shirtwaist strike of 1909, also known as the Uprising of the 20,000, was a labour strike primarily involving Jewish women working in New York shirtwaist factories. It was the largest strike by female American workers up to that date. ...

* Mohandas Gandhi's 1930

Salt March The Salt March, also known as the Salt Satyagraha, Dandi March and the Dandi Satyagraha, was an act of nonviolent civil disobedience in colonial India led by Mahatma Gandhi. The twenty-four day march lasted from 12 March to 6 April 1930 as a di ...

to protest the colonial salt tax in India *

Martin Luther King Jr. Martin Luther King Jr. (born Michael King Jr.; January 15, 1929 – April 4, 1968) was an American Baptist minister and activist, one of the most prominent leaders in the civil rights movement from 1955 until his assassination in 1968 ...

's 1963

March on Washington for Jobs and Freedom The March on Washington for Jobs and Freedom, also known as simply the March on Washington or The Great March on Washington, was held in Washington, D.C., on August 28, 1963. The purpose of the march was to advocate for the civil and economic righ ...

, a key moment in the

Civil rights movement The civil rights movement was a nonviolent social and political movement and campaign from 1954 to 1968 in the United States to abolish legalized institutional Racial segregation in the United States, racial segregation, Racial discrimination ...

Selma to Montgomery marches The Selma to Montgomery marches were three protest marches, held in 1965, along the 54-mile (87 km) highway from Selma, Alabama, to the state capital of Montgomery. The marches were organized by nonviolent activists to demonstrate the ...

of 1965, part of the Civil Rights Movement *

Protests against the Vietnam War Protests against the Vietnam War took place in the 1960s and 1970s. The protests were part of a movement in opposition to United States involvement in the Vietnam War. The majority of the protests were in the United States, but some took place ar ...

Mexico 68 The 1968 Summer Olympics ( es, Juegos Olímpicos de Verano de 1968), officially known as the Games of the XIX Olympiad ( es, Juegos de la XIX Olimpiada) and commonly known as Mexico 1968 ( es, México 1968), were an international multi-sport eve ...

* The

Occupation of the Old Student House A large group of University of Helsinki students occupied the Old Student House on November 25, 1968. The house was the designated location of the festivities for the Student Union's centennial celebration, scheduled the day after. The action wa ...

Helsinki Helsinki ( or ; ; sv, Helsingfors, ) is the Capital city, capital, primate city, primate, and List of cities and towns in Finland, most populous city of Finland. Located on the shore of the Gulf of Finland, it is the seat of the region of U ...

Finland